Eco-Worthy 20A、40A DC to DC charger has unique charging options. This multi-stage, multi-input battery charger can charge home batteries by connecting to the starter battery of a car alternator or by connecting a solar panel directly to the unit. Provides proper charging for AGM/GEL, Lead acid, Lithium and Calcium batteries.

On-Board MPPT Battery Charger
Technical Specifications
12V 20A DC to DC Charger
12V 40A DC to DC Charger
Type:
Multi Stage
DC battery Input:
12.4-16.0V
Output / Charging Voltage:
14.4-15.4V
DC Output:
20A
Minimum Start Voltage:
2.0V-For Battery Being Charged
Soft Start:
Yes
Soft Charge Current:
20A
Solar Output:
16-25V
Solar input:
Type:
Multi Stage
DC battery Input:
12.4-16.0V
Solar input:
16-25V
Output / Charging Voltage:
14.4-15.4V
DC Output:
40A
Solar Output:
40A
Minimum Start Voltage:
2.0V-For Battery Being Charged
Soft Start:
Yes
Soft Charge Current:
40A
Included in the Box
Frequently Asked Questions
Are Eco-Worthy batteries safe for home use?
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All Eco-Worthy batteries use LiFePO4 chemistry, one of the safest lithium technologies available. Our Cubix 100 batteries are UL1973 & UL9540A listed and meet CEC standards, Built-in BMS protection prevents overcharge, overheating, and short circuits—making it ideal for residential energy storage.
Will it work with my inverter/solar system?
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Yes. Our batteries are designed to be widely compatible with most 48V inverters and solar systems used in U.S. homes. For best performance, we recommend checking your inverter’s communication protocol or contacting our support team before purchase.
How much power do I actually need for my home?
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It depends on your usage: 5–10 kWh → essentials (fridge, lights, WiFi); 10–20 kWh → partial home backup; 20 kWh+ → whole-home coverage; Our systems are scalable, so you can start small and expand anytime.
Can I expand the system later?
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Absolutely. Eco-Worthy batteries support parallel expansion, allowing you to increase capacity as your energy needs grow—without replacing your existing system.
What kind of warranty and support do you offer?
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We provide up to a 10-year warranty on key battery models, along with U.S.-based support. Our team assists with installation guidance, troubleshooting, and system planning to ensure a smooth experience.







